Log spellchecker error also in html mode

program/steps/utils/spell.inc

@@ -43,7 +43,7 @@ else {
 }
 
 if ($err = $spellchecker->error()) {
-    raise_error(array('code' => 500, 'type' => 'php',
+    rcube::raise_error(array('code' => 500, 'type' => 'php',
         'file' => __FILE__, 'line' => __LINE__,
         'message' => sprintf("Spell check engine error: " . $err)),
         true, false);

program/steps/utils/spell_html.inc

@@ -46,6 +46,11 @@ else if ($request['method'] == 'learnWord') {
 }
 
 if ($error = $spellchecker->error()) {
+    rcube::raise_error(array('code' => 500, 'type' => 'php',
+        'file' => __FILE__, 'line' => __LINE__,
+        'message' => sprintf("Spell check engine error: " . $error)),
+        true, false);
+
     echo '{"error":{"errstr":"' . addslashes($error) . '","errfile":"","errline":null,"errcontext":"","level":"FATAL"}}';
     exit;
 }